I know that ISO files follow ISO-9660, the ISO in which stands for International Standards Organisation, but a lot of file formats will presumably follow some ISO standard, so that seems incorrect. My best guess so far is: Image Standard Optical.
Respondent The respondent is the party against whom a petition is filed, especially one on appeal. The respondent can be either the plaintiff or the defendant from the court below, as either party can appeal the decision thereby making themselves the petitioner and their adversary the respondent. Formerly, in the equity courts of common law, the defendant was always called the respondent. see also petitioner.
Respondent (First/Middle/Last) . PETITION FOR DIVORCE. I, , the Petitioner, upon oath, state that the following facts. and allegations are true to the best of my personal knowledge and belief; and if I have provided information. given to me by others, I believe that information to be true.